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I pulled a heavy trailer the last 2 days. After installing gauges I was curious to see what it did under load. The egts stay at 600-700 at interstate speeds on flat ground, never over 1050 even under a hard uphill pull. Seems good to me. What I don't know about is the boost. It works like an on-off switch. Steady speed it holds between 6-10 psi. Hit the throttle to climb or pass and it hits 21-22 instantly, no lag at all, no perceptible spool time. I had the turbo off the engine and checked it over, it is in top shape. The line to the wastegate had deteriorated and needed replacing and I checked the actuator while I was at it. Does this sound normal or is the wastegate rod maladjusted? Does anybody know how long it should be? I am used to a 7.3 and the 5.9 acts completely different. Also, is the stock turbo an HX 35 or 40? 97 3500 5-spd.

Sounds absolutely normal. If you want more power a boost elbow slide your plate and either slide the AFC forward then adjust back the smoke or see if just adjusting it is enough. I think if you are happy now you will be more so after those adjustments and you should be in the safe range on the clutch unless it already has issues. My 3500 was only stock for a few days other then already having a high torque clutch care of the PO and within a couple of weeks it was as it is now in my signature and I still want more.

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